A remarkable discovery has been made, with a tooth from a prehistoric creature turning up in a waterway. The tooth is extremely old, with its age estimated at a minimum of 10,000 years. It is from a Pacific mastodon, a creature that lived long ago.

The condition of the tooth is notable, with it being found in very good shape. Further information about this find is available from the source. The discovery was made in a creek bed in California, specifically in San Mateo County.